– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 3am Fri 05 Mar Local TimeUpdates in: hr min sUpdate imminent
South Twin SisterWeather Forecast, United States
Issued: 3am Fri 05 Mar Local Time
Updates in: hr min s
Update imminent Issued: 3am Fri 05 Mar Local Time
Updates in: hr min s
Update imminent 
South Twin Sister Weather (Days 0-3):Mild with heavy rain (total 20mm), heaviest during Fri morning. Becoming colder with a moderate fall of snow heaviest on Fri night. Freeze-thaw conditions (max 6°C on Fri morning, min -1°C on Sun night). Wind will be generally light. |
(Days 3-6):A dusting of new snow. Freeze-thaw conditions (max 6°C on Mon afternoon, min -1°C on Tue night). Wind will be generally light. |
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Friday
5
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Saturday
6
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Sunday
7
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Monday
8
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Tuesday
9
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Wednesday
10
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AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night |
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Wind
km/h
|
 15 |
25 |
20 |
10 |
10 |
15 |
20 |
10 |
5 |
5 |
0 |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
| mod. rain | light rain | snow shwrs | light rain | light rain | light snow | light snow | light snow | some clouds | clear | clear | clear | clear | clear | clear | snow shwrs | some clouds | snow shwrs | |
Rain
mm
|
10 | 4 | 1 | 4 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - |
Snow
cm
|
- | - | 3 | - | - | 3 | 2 | 2 | - | - | - | - | - | - | - | 1 | - | 1 |
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High
°C
|
6 | 4 | 3 | 2 | 3 | 1 | 1 | 1 | 0 | 5 | 6 | 2 | 5 | 5 | 1 | 2 | 2 | 1 |
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Low
°C
|
5 | 3 | 2 | 2 | 2 | 0 | 1 | 0 | -1 | 3 | 3 | 0 | 3 | 2 | -1 | 1 | 0 | 0 |
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Chill
°C
|
3 | -1 | -2 | -1 | 0 | -3 | -4 | -2 | -3 | 5 | 6 | 0 | 4 | 4 | 1 | 0 | 0 | -1 |
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Freezing level
m
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1450 | 1150 | 750 | 850 | 950 | 700 | 600 | 700 | 400 | 1000 | 1250 | 800 | 1000 | 1100 | 550 | 650 | 700 | 500 |
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6:41 | - | - | 6:39 | - | - | 6:37 | - | - | 6:35 | - | - | 6:33 | - | - | 6:31 | - | - |
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- | 5:58 | - | - | 5:59 | - | - | 6:00 | - | - | 6:01 | - | - | 6:04 | - | - | 6:05 | - |
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mild with heavy rain (total 20mm), heaviest during Fri morning. Becoming colder with a moderate fall of snow heaviest on Fri nightFreeze-thaw conditions (max 6°C on Fri morning, min -1°C on Sun night)Wind will be generally light.
South Twin Sister Weather (Days 3-6):
A dusting of new snowFreeze-thaw conditions (max 6°C on Mon afternoon, min -1°C on Tue night)Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.
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